Author Topic: rotary axis support...  (Read 282 times)

Offline hazed-

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rotary axis support...
« Reply #15 on: March 07, 2002, 06:44:12 PM »
this is a quote from Kurt tank himself after his first flight in a 190:

'Hans Sander did the initial testing, then I flew the aircraft and found that she handled beautifully in the air.The work we had put into the flying controls had produced the results we wanted.I have aalways believed that a pilot should not have to use a great deal of muscle power to get an aeroplane to do what he wants.If the controls have been properly designed he should be able to conduct most manouvers with only a finger and thumb on the stick.In combat a high rate of roll is essential for a fighter, so that the pilot can make rapid changes in his direction of flight.The aileron stick forces had, however , to be kept to a maximum of about eight pounds because a mans wrist cannot exert a force much greater than that.We succeeded in getting the stick forces down and finally I had the aileron controls as i wanted them.The aircraft followed the movement of the stick precisely, with no initial tendancy to yaw.Compared with the ailerons, the other flying controls were relatively easy to design: stick forces were not so critical for the elevators and highest forces of all could be taken on the rudder pedals, because a mans legs are far stronger than his arms.'

 Now would this designer design trim contrrols that require such a lengthy amount of time to adjust? trim controls were electric on 190s for elevators? wouldnt that mean they would be even faster than manual?(as in, the motor apllies greater pressure) otherwise why bother with electric controls at all?

I find most if not all aircraft's manual trimming in AH exceedingly detrimental to my SA.you have to watch the red bar to guage where it is.There is little feel from the nose pitching too high or low I find.Then again we have auto trim level etc which kind of negates a lot of the time needed to watch the trim and there is combat trim if you want to pretty much ignore trimming altogether, so its hard to see where this becomes a real problem for an average AH flyer.Its only when you really start to spend a lot of effort to master the finer arts of fighting that this snail like trim becomes a problem.

matching it to a roller/rotary control would be no worse than ignoring player controled prop pitch, fuel management etc and all those other things we leave auto for the sake of enjoyment. We dont fly in AH to be struggling trying to find a keyboard button to adjust a trim tab in combat and then to have to watch that little bar creep up slowly taking all your concentration.

Offline Dux

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rotary axis support...
« Reply #16 on: March 07, 2002, 10:46:35 PM »
Okay, correct me if I'm wrong (am known to be quite often) but it seems that all this trim talk is focusing around ACM...? Trim (in R/L) is not meant to be an edge in dogfighting... it's a way of balancing the controls so that on long flights (to and from the furball) the pilot is not worn down by having to apply constant pressure this way or that. I made a 6-hour helicopter flight once... an aircraft that does NOT fly itself like a plane does... believe me, that trim was a BLESSING. Still, my cyclic arm was exhausted. But when it comes time to maneuver, you move the stick like normal, and don't rely on some secondary "trim mode" and hope it's going to move fast enough. Balancing an aircraft's control surfaces requires minute and incremental adjustments of the trim tabs... making them move faster would negate this fine adjustment.

I just don't believe that they are such a factor in ACM (in R/L) that you guys think they are.

My $0.02
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5th AF, FSO Squadron, Member

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Offline Kratzer

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rotary axis support...
« Reply #17 on: March 08, 2002, 12:53:50 AM »
I think it is more a question of it being directly affected by the movement of a rotary axis - so if you moved the rotary knob a long way very quickly, it would move the trim quickly, if you moved a tiny bit, it would adjust a tiny bit.  It doesn't directly affect ACM, but indirectly, the closer the aircraft is to being in trim, the less you will have to compensate for the effects of the out of trim surfaces during manuevering - in AH it is very noticable if you are using an automatic climb, and then exit the climb, even when using combat trim.  Fighting that can make aiming more difficult...